They believe the publicly-owned facility should not be available to Trump, whose US Muslim travel ban has been heavily criticised around the world, but the Scottish Government said ministers do not intervene on how the airport is run.

In a joint statement, Leonard and Harvie said: “For Donald Trump to travel to Scotland with public assistance and ease when his travel ban has caused outrage and despair around the world would simply not be acceptable.

“The Scottish Government owns Prestwick Airport. We believe that this publicly-owned facility should not be used for Donald Trump’s visit.

Donald Trump is on his way to Scotland this weekend and @ScottishLabour stands ready to oppose his politics of greed and hate.